Hmmm...well, first ensure you configured --enable-debug, and then add "-mca plm_base_verbose 10 --debug-daemons" to your mpirun cmd line. This will tell you what is happening during the launch.
On Apr 13, 2014, at 12:31 PM, Lubrano Francesco <lubrano.france...@spes.uniud.it> wrote: > Sorry for my late reply > I tried previously with passfrase and, in this particular case, this is not > the problem: the error occurs also without asking password. > thus I think there is something else. > Francesco > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users